APA (7th ed.) Citation

Zinsser, W. (1994). On writing well: An informal guide to writing nonfiction (5th ed. rev. and updated.). Harper & Row.

Chicago Style (17th ed.) Citation

Zinsser, William. On Writing Well: An Informal Guide to Writing Nonfiction. 5th ed. rev. and updated. New York [etc.]: Harper & Row, 1994.

MLA (9th ed.) Citation

Zinsser, William. On Writing Well: An Informal Guide to Writing Nonfiction. 5th ed. rev. and updated. Harper & Row, 1994.